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Why do I have an E4 error on the display NetworkAIR 1000?

Resolution:
On the AP7003 the E4 error means condensate pan is not seated correctly. If you are getting the E4 error message, please try the following:

1) Make sure the tank is empty, and the float at the top of the tank is free for movement
2) Try to pull the condensate pan out of its compartment (located on the bottom right hand side of the unit).
3) There is a "toggle switch" behind the pan. If you press the switch in while the cooling mode is set up, the unit will turn on."